Passage en commentaire du code obsolète

EditorialModel/fields.py

@@ -2,7 +2,13 @@
 
 from EditorialModel.components import EmComponent
 from EditorialModel.fieldtypes import EmField_boolean, EmField_char, EmField_integer, EmField_icon, get_field_type
+from EditorialModel.fieldgroups import EmFieldGroup
+from EditorialModel.classes import EmClass
 
+from Database import sqlutils
+from Database.sqlalter import DropColumn, AddColumn
+
+import sqlalchemy as sql
 
 ## EmField (Class)
 #
@@ -20,3 +26,88 @@ class EmField(EmComponent):
         ('internal', EmField_boolean),
         ('icon', EmField_icon)
     ]
+
+    ## Create (Function)
+    #
+    # Creates a new EmField and instanciates it
+    #
+    # @static
+    #
+    # @param name str: Name of the field
+    # @param fieldgroup EmFieldGroup: Field group in which the field is
+    # @param fieldtype EmFieldType: Type of the field
+    # @param optional int: is the field optional ? (default=0)
+    # @param internal int: is the field internal ? (default=0)
+    # @param rel_to_type_id int: default=0
+    # @param rel_field_id int: default=0
+    # @param icon int: default=0
+    # @param **em_component_args : @ref EditorialModel::components::create()
+    #
+    # @throw TypeError
+    # @throw RuntimeError if the associated column creation fails
+    # @throw EmComponentExistError if an EmField with this name allready exists in this fieldgroup
+    # @see EmComponent::__init__()
+    # @staticmethod
+    @classmethod
+    def create(cls, name, fieldgroup, fieldtype, optional=0, internal=0, rel_to_type_id=0, rel_field_id=0, icon=None, **em_component_args):
+        created_field = super(EmField, cls).create(
+            name=name,
+            fieldgroup_id=fieldgroup.uid,
+            fieldtype=fieldtype.name,
+            optional=optional,
+            internal=internal,
+            rel_to_type_id=rel_to_type_id,
+            rel_field_id=rel_field_id,
+            icon=icon,
+            **em_component_args
+        )
+        # if not created_field.add_field_column_to_class_table():
+        #     raise RuntimeError("Unable to create the column for the EmField " + str(created_field))
+
+        return created_field
+
+    ## @brief Delete a field if it's not linked
+    # @return bool : True if deleted False if deletion aborded
+    # @todo Check if unconditionnal deletion is correct
+    def delete(self):
+        # dbe = self.db_engine
+        # class_table = sql.Table(self.get_class_table(), sqlutils.meta(dbe))
+        # field_col = sql.Column(self.name)
+        # ddl = DropColumn(class_table, field_col)
+        # sqlutils.ddl_execute(ddl, self.db_engine)
+        return super(EmField, self).delete()
+
+    ## add_field_column_to_class_table (Function)
+    #
+    # Adds a column representing the field in its class' table
+    #
+    # @return True in case of success, False if not
+    # def add_field_column_to_class_table(self):
+        # dbe = self.db_engine
+        # fieldtype = get_field_type(self.fieldtype)
+        # new_column = sql.Column(name=self.name, **(fieldtype.sqlalchemy_args()))
+        # class_table = sql.Table(self.get_class_table(), sqlutils.meta(dbe))
+        # ddl = AddColumn(class_table, new_column)
+        # return sqlutils.ddl_execute(ddl, dbe)
+
+    ## get_class_table (Function)
+    #
+    # Gets the name of the table of the class corresponding to the field
+    #
+    # @return Name of the table
+    # def get_class_table(self):
+    #     return self.get_class().class_table_name
+
+    ## @brief Get the class that contains this field
+    # @return An EmClass instance
+    # def get_class(self):
+        #<SQL>
+        # dbe = self.db_engine
+        # meta = sqlutils.meta(dbe)
+        # conn = dbe.connect()
+        # fieldgroup_table = sql.Table(EmFieldGroup.table, meta)
+        # req = fieldgroup_table.select().where(fieldgroup_table.c.uid == self.fieldgroup_id)
+        # res = conn.execute(req)
+        # row = res.fetchone()
+        #</SQL>
+        # return EmClass(row['class_id'])